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Adams County, CO Swimming Pools & Spas: Pool Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Swimming pool permit rules in Adams County, CO, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.

Key Facts

Code adopted
2024 International Swimming Pool and Spa Code
Enforcing agency
Adams County Building Safety Division
Governing ordinance
Ordinance No. 12, effective July 1, 2026
Barrier review
Checked against Section 305.1 at permit stage
Maximum fine
$1,000 per violation, per day

Summary

Unincorporated Adams County requires pools and spas to be built under the 2024 International Swimming Pool and Spa Code, adopted by reference through Ordinance No. 12 and administered by the Building Safety Division. The county did not rewrite the model code's permit section, so the adopted 2024 ISPSC's application and permit requirements govern residential pool construction as published.

City-specific rules exist: Westminster, and Thornton have their own pool permits rules that differ from Adams County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

101.1 Title. These regulations shall be known as the Swimming Pool and Spa Code of Adams County, hereinafter referred to as "this code." ... 103.1 The Building Safety Division is hereby created and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration, and enforcement of the provisions of this code.

Full Breakdown

Ordinance No. 1. 1 creates the Building Safety Division as the agency responsible for the implementation, administration, and enforcement of the provisions of the code, meaning that division, not a separate pool board, reviews and issues residential pool and spa permits. Because Section 5's general amendments clause provides that sections not listed in Section 5 are adopted as written, Adams County did not rewrite the ISPSC's own permit application chapter, so a homeowner installing an in-ground or permanently installed above-ground pool or spa in unincorporated Adams County follows the 2024 ISPSC's permit process exactly as the International Code Council published it, submitted to and enforced by the Building Safety Division.

1 and its general violations provision in Section 6 both apply to pool work permitted under this code, so a permit reviewer will also check the project against the county's pool-barrier requirements before signing off.

Violations & Fines

Building, installing or substantially altering a pool or spa without the required permit is enforced under Ordinance No. 12's general violations clause: a fine of up to $1,000 for each separate violation under C.R.S. § 30-28-409, with every day the unpermitted pool remains in that condition counted as its own offense.

Frequently Asked Questions

Which department issues pool permits in unincorporated Adams County?
The Adams County Building Safety Division, created under Section 103.1 of the county's Swimming Pool and Spa Code as the agency responsible for implementing, administering and enforcing the adopted 2024 International Swimming Pool and Spa Code.
What code edition governs pool construction in Adams County?
The 2024 International Swimming Pool and Spa Code, adopted by reference through Ordinance No. 12, effective July 1, 2026, and renamed the Swimming Pool and Spa Code of Adams County under Section 101.1 of that ordinance's amendments.
Does a pool permit also cover the required safety barrier?
Yes. The Building Safety Division reviews pool permit applications against the same ordinance's barrier standard in Section 305.1, which sets design requirements for fences and covers restricting entry to the pool area, so barrier compliance is checked as part of the permit, not separately.

Sources & Official References

Other rules in Adams County

All Adams County rules

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